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The Digital Darkroom The In-Computer editing forum.

IR with filter

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  #1  
Old 25-08-11, 14:03
Susan Green's Avatar
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Default IR with filter

Hi friends,

i've just taken these with IR filter. Is it good start for some proper IR image? If yes then what to do next. I had here some ideas with chanel mixer but did not get anything reasonable. Some suggestions? Thanks in anticipation.

Susan
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File Type: jpg IMG_7352.jpg (94.6 KB, 15 views)
File Type: jpg IMG_7345.jpg (94.7 KB, 9 views)
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Old 25-08-11, 15:13
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Default IR and other pictures

Looking at the web for the IR help i found this site with pictures I like. Have a look, I hope you like them too.

http://www.smashingmagazine.com/2009...frared-photos/

Susan
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Old 25-08-11, 17:44
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Hi Susan,

See my thread in the Camera area on IR posted today and in particular Mike's comment and link.

I looked at the link earlier and there are some tips on IR photography and processing. Also see at the bottom of each page of the thread other similar discussions which also have tips and links to other sites giving processing advice.

Good luck.
Looking forward to giving IR a try myself.
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Old 26-08-11, 19:23
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I am no expert in this but I did have a fairly serious play with IR a couple of years ago. My experiences are in these threads.
http://www.worldphotographyforum.com...ead.php?t=4494
http://www.worldphotographyforum.com...hread.php?t=63

I have taken the liberty of running your first image through the Khromagery action in CS2 and attached the result. For that action go to this link
http://khromagery.com.au/digital_ir.html
and you can download the action from the resource page. Also attached is a quick B&W version.

Looking at your image it appears very grainy, and from my experience suggests it was taken in jpeg. I found a significant difference taking in RAW then converting to 16 bit Tiff before running the action. Again I have attached a comparison 8bit v 16bit for you to see.

All my IR was taken on a circa 2002, 6mp D100 so grain wise I would expect your results to be similar or better.

Don
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File Type: jpg Susan IMG_7352 Khromagery.jpg (211.1 KB, 8 views)
File Type: jpg Susan IMG_7352 B&W.jpg (105.1 KB, 6 views)
File Type: jpg Actions compared.jpg (148.6 KB, 9 views)
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  #5  
Old 26-08-11, 19:28
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If you are shooting for IR you would do well to set a custom white balance on the camera - if you take a shot of grass (in sunlight) with the filter on and then take the WB setting from that. This will give you more usable results straight out of the camera and make processing much easier.
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Old 26-08-11, 19:41
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Well said Peter. I'm trying to get my head out of family trees, old family pics etc, and so my brain is not completely in photography mode. Having to read my own threads as a refresher

Attached is a B&W conversion from a false colour IR shot. So custom WB as Peter said and camera D100 with Hoya R72 filter. Taken in RAW, converted to 16bit Tiff, then processed with Khromagery False Colour plug in, then converted to B&W then resized and saved as jpeg (8bit) to post here.

Don
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File Type: jpg Castle Acre Priory.jpg (224.1 KB, 8 views)
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Old 26-08-11, 19:43
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Wolfie may well pick up on this thread and ...... he is THE MASTER
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Old 29-08-11, 12:24
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Hi,

Thank you all for your tips, especially thanks Don for your PP. Something like that I was after. You are right, it was jpeg file. I am very busy this week so I can come back to it this weeked and hope to get better result. I keep you posted.

Susan
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